<template>
	<div class="login-container">
		<el-card class="box-card login-form">
			<el-form
				ref="loginForm"
				:model="loginForm"
				:rules="loginRules"
				class=""
				autocomplete="on"
				label-position="left"
			>
				<div class="title-container">
					<h3 class="title">
						{{ $t('login.title') }}
					</h3>
					<!-- <lang-select class="set-language" /> -->
				</div>
				<el-form-item prop="username">
					<span class="svg-container">
						<svg-icon icon-class="user" />
					</span>
					<el-input
						ref="username"
						v-model="loginForm.username"
						:placeholder="$t('login.username')"
						name="username"
						type="text"
						tabindex="1"
						autocomplete="on"
					/>
				</el-form-item>

				<el-tooltip
					v-model="capsTooltip"
					content="Caps lock is On"
					placement="right"
					manual
				>
					<el-form-item prop="password">
						<span class="svg-container">
							<svg-icon icon-class="password" />
						</span>
						<el-input
							:key="passwordType"
							ref="password"
							v-model="loginForm.password"
							:type="passwordType"
							:placeholder="$t('login.password')"
							name="password"
							tabindex="2"
							autocomplete="on"
							@keyup.native="checkCapslock"
							@blur="capsTooltip = false"
							@keyup.enter.native="handleLogin"
						/>
						<span class="show-pwd" @click="showPwd">
							<svg-icon
								:icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
							/>
						</span>
					</el-form-item>
				</el-tooltip>

				<el-button
					:loading="loading"
					type="primary"
					style="width:100%;margin-bottom:30px;"
					@click.native.prevent="handleLogin"
				>
					{{ $t('login.logIn') }}
				</el-button>

				<!-- <div style="position:relative">
					<div class="tips">
						<span>{{ $t('login.username') }} : admin</span>
						<span>{{ $t('login.password') }} : {{ $t('login.any') }}</span>
					</div>
					<div class="tips">
						<span style="margin-right:18px;">
							{{ $t('login.username') }} : editor
						</span>
						<span>{{ $t('login.password') }} : {{ $t('login.any') }}</span>
					</div>

					<el-button class="thirdparty-button" type="primary" @click="showDialog=true">
						{{ $t('login.thirdparty') }}
					</el-button>
				</div> -->
			</el-form>
		</el-card>
		<el-dialog :title="$t('login.thirdparty')" :visible.sync="showDialog">
			{{ $t('login.thirdpartyTips') }}
			<br />
			<br />
			<br />
			<social-sign />
		</el-dialog>
	</div>
</template>

<script>
import { validUsername } from '@/utils/validate'
// import LangSelect from '@/components/LangSelect'
import SocialSign from './components/SocialSignin'
// import errGif from '@/assets/401_images/401.gif'

export default {
	name: 'Login',
	components: { SocialSign },
	data() {
		const validateUsername = (rule, value, callback) => {
			if (!validUsername(value)) {
				callback(new Error('Please enter the correct user name'))
			} else {
				callback()
			}
		}
		const validatePassword = (rule, value, callback) => {
			if (value.length < 6) {
				callback(new Error('The password can not be less than 6 digits'))
			} else {
				callback()
			}
		}
		return {
			loginForm: {
				username: 'admin999',
				password: 'admin999',
			},
			loginRules: {
				username: [
					{ required: true, trigger: 'blur', validator: validateUsername },
				],
				password: [
					{ required: true, trigger: 'blur', validator: validatePassword },
				],
			},
			passwordType: 'password',
			capsTooltip: false,
			loading: false,
			showDialog: false,
			redirect: undefined,
			otherQuery: {},
		}
	},
	watch: {
		$route: {
			handler: function(route) {
				const query = route.query
				if (query) {
					this.redirect = query.redirect
					this.otherQuery = this.getOtherQuery(query)
				}
			},
			immediate: true,
		},
	},
	created() {
		// window.addEventListener('storage', this.afterQRScan)
	},
	mounted() {
		if (this.loginForm.username === '') {
			this.$refs.username.focus()
		} else if (this.loginForm.password === '') {
			this.$refs.password.focus()
		}
	},
	destroyed() {
		// window.removeEventListener('storage', this.afterQRScan)
	},
	methods: {
		checkCapslock(e) {
			const { key } = e
			this.capsTooltip = key && key.length === 1 && key >= 'A' && key <= 'Z'
		},
		showPwd() {
			if (this.passwordType === 'password') {
				this.passwordType = ''
			} else {
				this.passwordType = 'password'
			}
			this.$nextTick(() => {
				this.$refs.password.focus()
			})
		},
		handleLogin() {
			this.$refs.loginForm.validate(valid => {
				if (valid) {
					this.loading = true
					this.$store
						.dispatch('user/login', this.loginForm)
						.then(() => {
							this.$router.push({
								path: this.redirect || '/',
								query: this.otherQuery,
							})
							this.loading = false
						})
						.catch(() => {
							this.loading = false
						})
				} else {
					console.log('error submit!!')
					return false
				}
			})
		},
		getOtherQuery(query) {
			return Object.keys(query).reduce((acc, cur) => {
				if (cur !== 'redirect') {
					acc[cur] = query[cur]
				}
				return acc
			}, {})
		},
		// afterQRScan() {
		//   if (e.key === 'x-admin-oauth-code') {
		//     const code = getQueryObject(e.newValue)
		//     const codeMap = {
		//       wechat: 'code',
		//       tencent: 'code'
		//     }
		//     const type = codeMap[this.auth_type]
		//     const codeName = code[type]
		//     if (codeName) {
		//       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
		//         this.$router.push({ path: this.redirect || '/' })
		//       })
		//     } else {
		//       alert('第三方登录失败')
		//     }
		//   }
		// }
	},
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

body {
	/* background: url('../../assets/images/login-bg.jpg');
	background-size: cover; */
}

$bg: #283443;
$light_gray: #111;
$cursor: #111;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
	.login-container .el-input input {
		color: $cursor;
	}
}

/* reset element-ui css */
.login-container {
	.el-input {
		display: inline-block;
		height: 47px;
		width: 85%;

		input {
			background: transparent;
			border: 0px;
			-webkit-appearance: none;
			border-radius: 0px;
			padding: 12px 5px 12px 15px;
			color: $light_gray;
			height: 47px;
			caret-color: $cursor;

			&:-webkit-autofill {
				box-shadow: 0 0 0px 1000px $bg inset !important;
				-webkit-text-fill-color: $cursor !important;
			}
		}
	}

	.el-form-item {
		border: 1px solid rgba(255, 255, 255, 0.1);
		background: rgba(0, 0, 0, 0.1);
		border-radius: 5px;
		color: #454545;
	}
}
</style>

<style lang="scss" scoped>
$bg: #f3f3f3;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
	min-height: 100%;
	width: 100%;
	background: url('../../assets/images/login-bg.jpg');
	background-size: cover;
	overflow: hidden;

	.login-form {
		position: fixed;
		width: 520px;
		max-width: 100%;
		padding: 30px 35px 0;
		margin: 0 auto;
		overflow: hidden;
		background-color: #fff;
		border: 1px solid #eee;
		border-radius: 10px;
		left: 50%;
		top: 50%;
		transform: translate(-50%, -50%);
	}

	.tips {
		font-size: 14px;
		color: #fff;
		margin-bottom: 10px;

		span {
			&:first-of-type {
				margin-right: 16px;
			}
		}
	}

	.svg-container {
		padding: 6px 5px 6px 15px;
		color: $dark_gray;
		vertical-align: middle;
		width: 30px;
		display: inline-block;
	}

	.title-container {
		position: relative;

		.title {
			font-size: 26px;
			// color: $light_gray;
			margin: 0px auto 40px auto;
			text-align: center;
			font-weight: bold;
		}

		.set-language {
			color: #fff;
			position: absolute;
			top: 3px;
			font-size: 18px;
			right: 0px;
			cursor: pointer;
		}
	}

	.show-pwd {
		position: absolute;
		right: 10px;
		top: 7px;
		font-size: 16px;
		color: $dark_gray;
		cursor: pointer;
		user-select: none;
	}

	.thirdparty-button {
		position: absolute;
		right: 0;
		bottom: 6px;
	}

	@media only screen and (max-width: 470px) {
		.thirdparty-button {
			display: none;
		}
	}
}
</style>
